15121400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{1543}}^1$

素因数の和:1573

約数の個数: 72

約数和(自身を含む): 40923720

約数和(自身を除く): 25802320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1543, 1960, 2450, 3086, 4900, 6172, 7715, 9800, 10801, 12344, 15430, 21602, 30860, 38575, 43204, 54005, 61720, 75607, 77150, 86408, 108010, 151214, 154300, 216020, 270025, 302428, 308600, 378035, 432040, 540050, 604856, 756070, 1080100, 1512140, 1890175, 2160200, 3024280, 3780350, 7560700, 15121400]

約数ペア:

[(1, 15121400), (2, 7560700), (4, 3780350), (5, 3024280), (7, 2160200), (8, 1890175), (10, 1512140), (14, 1080100), (20, 756070), (25, 604856), (28, 540050), (35, 432040), (40, 378035), (49, 308600), (50, 302428), (56, 270025), (70, 216020), (98, 154300), (100, 151214), (140, 108010), (175, 86408), (196, 77150), (200, 75607), (245, 61720), (280, 54005), (350, 43204), (392, 38575), (490, 30860), (700, 21602), (980, 15430), (1225, 12344), (1400, 10801), (1543, 9800), (1960, 7715), (2450, 6172), (3086, 4900)]